Basketball backboard frame



FIG. 1 is a perspective view of a basketball backboard frame constructed from blow-molded plastic; and,

FIG. 2 is a front view of the basketball backboard frame shown in FIG. 1.

The broken lines immediately adjacent the shaded surfaces of the backboard define the bounds of the claim. All other broken lines are for illustrative purposes only. None of the broken lines form part of the claimed design. 

The ornamental design for a basketball backboard frame, as shown and described. 